Cheap flights from Australia to Illinois from $710
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Australia to Illinois
Keep the following information in mind while searching for Australia to Illinois flight deals. Data was last updated 12 July 2025.
Round-trip from | $1,535 |
---|---|
One-way from | $710 |
Popular in | December |
Cheapest in | March |
Average price | $1,605 |
Find flight deals from Australia to Illinois
Cheapest flights from Australia to IllinoisExplore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Australia to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 12 July 2025.
Use the filters below to find and compare flights from Australia to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
Thu 9/10
22:15-20:45
1 stop37h 30m
Chicago O'Hare Intl
Tue 14/10
00:30-20:00
1 stop28h 30m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Fri 8/8
13:15-16:28
2 stops42h 13m
Chicago O'Hare Intl
Fri 15/8
07:05-11:45
2 stops37h 40m
PerthChicago
PER - ORD
PERORD
Perth
Mon 1/9
21:35-14:55
1 stop30h 20m
Chicago O'Hare Intl
Tue 16/9
07:19-20:00
2 stops47h 41m
SydneySt. Louis
SYD - STL
SYDSTL
Sydney Kingsford Smith
Mon 18/8
17:45-00:16
2 stops45h 31m
Lambert-St Louis
Sat 8/11
13:55-06:55
1 stop24h 00m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Sun 24/8
09:55-00:15
2 stops29h 20m
Chicago O'Hare Intl
Sun 31/8
16:10-08:45
2 stops25h 35m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Fri 8/8
09:10-05:12
1 stop35h 02m
Chicago O'Hare Intl
Thu 28/8
17:06-06:05
1 stop21h 59m
MelbourneChicago
MEL - ORD
MELORD
Melbourne
Fri 14/11
12:10-18:50
2 stops23h 40m
Chicago O'Hare Intl
Fri 28/11
14:30-10:55
2 stops27h 25m
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
Wed 13/8
09:45-21:33
2 stops26h 48m
Chicago O'Hare Intl
Mon 18/8
16:50-11:00
2 stops27h 10m
AdelaideChicago
ADL - ORD
ADLORD
Adelaide
Fri 22/8
11:55-21:40
2 stops24h 15m
Chicago O'Hare Intl
Fri 29/8
17:50-10:55
2 stops26h 35m
BrisbaneChicago
BNE - ORD
BNEORD
Brisbane
Mon 17/11
00:10-13:00
1 stop28h 50m
Chicago O'Hare Intl
Wed 3/12
14:40-10:30
1 stop27h 50m
Best time to book a flight from Australia to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Australia to Illinois
What is the cheapest time of day to fly from AU to IL?
Find hourly flight availability from Australia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Illinois as you normally would.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 12 July 2025.
Read reviews from past customers who have flown with Air Tahiti Nui, EVA Air, andANA from Australia to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Isabelle,Apr 2023
AKL - PPT
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Isabelle,Apr 2023
AKL - PPT
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Isabelle,Apr 2023
AKL - PPT
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Isabelle,Apr 2023
AKL - PPT
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Isabelle,Apr 2023
AKL - PPT
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Isabelle,Apr 2023
AKL - PPT
Related info for your journey
Find useful and relevant information for your journey from Australia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Australia to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Australia to Illinois
Discover the top 10 airlines that operate flights from Australia to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 12 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Australia to Illinois?
Cheapflights helps you search for flights from Australia to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Australia.
Can Cheapflights find flights from Australia to Illinois with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Illinois flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?
Yes, Cheapflights offers price alerts on Australia to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.